The question of whether park chairs can detect Livermorium might sound like science fiction, but it opens a fascinating discussion about the intersection of advanced chemistry and smart urban infrastructure. Livermorium (Lv), element 116 on the periodic table, is a synthetic, highly radioactive element with an extremely short half-life, measured in milliseconds. It is produced in minute quantities in particle accelerators and has no stable isotopes, making its presence in a public park virtually impossible.

Given these fundamental properties, the concept of a public park chair equipped with Livermorium detectors is not scientifically feasible with current or foreseeable technology. The primary challenges are immense: the element does not exist naturally in the environment, its atoms decay almost instantaneously, and the sophisticated equipment required for its synthesis and detection—like a particle accelerator—cannot be miniaturized into a park bench.

However, this question leads us to a more practical and emerging field: smart urban furniture. While they cannot detect superheavy elements, modern "smart benches" are increasingly incorporating various environmental sensors. These can monitor air quality (detecting gases like CO2 or NO2), measure pollen counts, track noise pollution, and even include radiation sensors for more common types of background radiation. The core technology involves integrated sensors, IoT connectivity, and solar panels for power.

Therefore, the direct answer is a definitive no; there are no park chairs that detect Livermorium. The scientific barriers are currently insurmountable. The real technological evolution lies in the development of multi-functional smart benches that enhance public spaces by monitoring a wide range of achievable and relevant environmental data, bringing a piece of advanced, practical science to our everyday surroundings.